One day, my mother-in-law came to Tokyo to live with my wife. Apparently she had been scouted to be an underwear model, and after persuading my father-in-law, she came to audition. The audition was a week later. During the rehearsal, I saw my mother-in-law wearing flashy underwear that was secretly meant to provoke men, and I couldn't suppress the swelling in my crotch. However, my mother-in-law noticed me, and asked me to do a test shoot wearing provocative underwear...